Burton et al: Design and topographic evaluation of a canine humeral anatomic plating system (CHAPS)
Veterinary Surgery 3, 2023

🔍 Key Findings

  • The Canine Humeral Anatomic Plating System (CHAPS) was designed using CT-based 3D modeling of 100 canine humeri from 5–50 kg.
  • Four plate sizes (TP1–TP4) were developed to accommodate a wide range of canine body sizes.
  • Plate contour fit was evaluated across 48 cadaveric limbs and showed a 97.5% median surface match, demonstrating excellent topographic conformity.
  • Screw hole placement avoided 95–100% of critical anatomical structures including the supratrochlear foramen and nutrient foramen.
  • The plates were designed for use with locking screws, improving biomechanical stability for humeral diaphyseal fractures.
  • CHAPS plates showed consistent alignment with humeral curvature in both craniocaudal and mediolateral planes.
  • CT data revealed marked breed and size variation, but the multi-size design achieved broad anatomical applicability.
  • The system provides an anatomic solution with potentially fewer intraoperative contouring needs and reduced iatrogenic risk.

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Burton et al: Design and topographic evaluation of a canine humeral anatomic plating system (CHAPS)
Veterinary Surgery 3, 2023

🔍 Key Findings

  • The Canine Humeral Anatomic Plating System (CHAPS) was designed using CT-based 3D modeling of 100 canine humeri from 5–50 kg.
  • Four plate sizes (TP1–TP4) were developed to accommodate a wide range of canine body sizes.
  • Plate contour fit was evaluated across 48 cadaveric limbs and showed a 97.5% median surface match, demonstrating excellent topographic conformity.
  • Screw hole placement avoided 95–100% of critical anatomical structures including the supratrochlear foramen and nutrient foramen.
  • The plates were designed for use with locking screws, improving biomechanical stability for humeral diaphyseal fractures.
  • CHAPS plates showed consistent alignment with humeral curvature in both craniocaudal and mediolateral planes.
  • CT data revealed marked breed and size variation, but the multi-size design achieved broad anatomical applicability.
  • The system provides an anatomic solution with potentially fewer intraoperative contouring needs and reduced iatrogenic risk.

Simini Surgery Review Podcast

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